Mari Okamoto (おかもとまり, Okamoto Mari, December 13, 1989) is a former Japanese talent, a former impersonator, an entrepreneur, and a creator. Her real name is Mari Okamoto (岡本 麻里, Okamoto Mari).

She is from Fujioka City, Gunma Prefecture. Her blood type is O. She belonged to the entertainment production companies Ohta Production and TWIN PLANET. After retiring from entertainment activities, she took the name of Mari Okamoto (岡本 麻里) and managed the column site "minto".